Lamp



FIG. 1 is a perspective view of a lamp showing my new design;

FIG. 2 is a top plan view thereof on an enlarged scale;

FIG. 3 is a front elevation view thereof on an enlarged scale;

FIG. 4 is a side elevation view thereof on an enlarged scale; and

FIG. 5 is a rear elevation view thereof on an enlarged scale.

The ornamental design for a lamp, as shown and described.